html, body {
    height: 100%;
}

body.admin-body {
    background: #111827;
    color: #e5e7eb;
    margin: 0;
    font-size: 14px;
}

.admin-wrapper {
    min-height: 100vh;
    display: flex;
    background: #111827;
}

.admin-sidebar {
    width: 270px;
    min-width: 270px;
    background: #0b1220;
    border-right: 1px solid rgba(255,255,255,0.08);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1040;
    transition: transform .25s ease;
}

.sidebar-top {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    display: block;
}

.sidebar-user {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-menu {
    padding: 12px;
    overflow-y: auto;
    flex: 1;
}

.sidebar-menu .nav-link {
    color: #cbd5e1;
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 6px;
    transition: all .2s ease;
}

.sidebar-menu .nav-link:hover {
    background: rgba(255,255,255,0.07);
    color: #fff;
}

.sidebar-menu .nav-link.active {
    background: #0d6efd;
    color: #fff;
}

.admin-main {
    flex: 1;
    margin-left: 270px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.admin-topbar {
    height: 70px;
    background: #0f172a;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 22px;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}

.admin-content {
    padding: 24px;
    flex: 1;
}

.panel-card {
    background: #0f172a;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.20);
}

.stat-card {
    background: #0f172a;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 18px;
    height: 100%;
}

.stat-title {
    font-size: 13px;
    color: #94a3b8;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
}

@media (max-width: 991.98px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

    .admin-sidebar.show {
        transform: translateX(0);
    }

    .admin-main {
        margin-left: 0;
    }
}